Free & open source Version 1.0.0
Make GST-ready invoices, print thermal receipts and send bills on WhatsApp, from your own computer. No subscription, no sign-up, and your data never leaves your PC.
₹0
No price, trial or subscription
100%
Offline, data on your PC
8
Languages, with Hindi and Gujarati
3
Platforms: Windows, Linux, macOS
CrizaVoise is a free, open-source desktop app for making invoices and bills. Shops, freelancers and small businesses use it to create GST-ready PDF invoices, quotations and receipts, print on 58 mm and 80 mm thermal printers, track payments and stock, and share invoices on WhatsApp. It runs fully offline, so your data stays on your computer. There is no subscription, trial or sign-up. It is made by Criza Labs and released under the Apache License 2.0.
How a bill happens
One click from the dashboard. A walk-in customer is filled in and the cursor is already in product search.
Give products short codes like R5. Type it, press Enter, and the item is on the bill with its price and tax.
Print on a 58 or 80 mm receipt printer, save an A4 PDF, or send it on WhatsApp with your UPI ID in the message.
See it in action
Everything a small business bills with
Made for a busy counter, where the queue is waiting.
Clean PDFs with your logo, ready to print or send.
The details a tax invoice asks for, in the right places.
Fewer forgotten bills, less chasing.
Know what you have, and what you owe.
Staff can bill without seeing everything.
Readable, speakable and calm to use.
Your business data is yours.
Made for Indian businesses
GSTIN and HSN/SAC on every invoice, CGST and SGST or IGST worked out for you, and a UPI QR code your customer can scan straight from the bill. The whole app speaks Hindi and Gujarati, and can read totals aloud.
What a GST invoice must showPrivate by design
CrizaVoise makes no network calls. No account, no analytics, no ads. Your customers, prices and sales live in a database on your own PC, and you can back it up or export it whenever you like.
How to back up your dataOpen source
The code is on GitHub under the Apache License 2.0. Use it in your business, change it, or build your own product on it. If you share a version, keep the NOTICE file and the credit line.
# NOTICE
Based on CrizaVoise by Criza Labs (https://criza.dev)
# Licence
Apache-2.0 ✓ commercial use
✓ modify & share
• keep NOTICEQuestions
CrizaVoise is a free, open-source desktop app for making invoices and bills. It creates GST-ready PDF invoices, quotations, receipts and credit or debit notes, prints thermal receipts, and tracks customers, products, stock, payments and suppliers. It runs on Windows, Linux and macOS and is made by Criza Labs.
Yes. There is no price, trial, subscription, licence key or advertising. The code is open source under the Apache License 2.0, so businesses can also use it commercially.
Yes, completely. It needs no internet connection and makes no network calls. Your data is stored in a local SQLite database on your own computer.
Yes. Invoices can show your GSTIN and your customer's, HSN or SAC codes, per-item or overall tax, and a UPI QR code. CrizaVoise does not connect to the government e-invoice portal, so businesses that must issue e-invoices (IRN) need to do that separately. See the GST invoice guide.
Yes. The Thermal template fits 58 mm and 80 mm paper. You can print over USB or the network to ESC/POS printers, or through the normal print dialog. See the printer guide.
On your own computer. On Windows it is in %APPDATA%\Criza Labs\CrizaVoise. On Linux it is in ~/.local/share/dev.criza.crizavoise, and on macOS in ~/Library/Application Support/dev.criza.crizavoise. Nobody else, including Criza Labs, can see it.
Yes, under the Apache License 2.0. Keep the LICENSE and NOTICE files, credit "Based on CrizaVoise by Criza Labs (https://criza.dev)" in your README and About screen, and give your version its own name and logo. See open source.
Free for Windows, Linux and macOS. Install in a minute, keep your data forever.
Questions? contact@criza.dev · Built by Criza Labs